Update enums to reflect OAuth

Author: Andrey Dobrikov

SDK/Runtime/Auth/Mapping/LinkedAccountResponseMapper.cs

@@ -27,6 +27,14 @@ private static LinkedAccountType ParseType(string type)
                 case "externalwallet":
                 case "external-wallet":
                     return LinkedAccountType.ExternalWallet;
+                case "google":
+                    return LinkedAccountType.GoogleOAuth;
+                case "apple":
+                    return LinkedAccountType.AppleOAuth;
+                case "discord":
+                    return LinkedAccountType.DiscordOAuth;
+                case "twitter":
+                    return LinkedAccountType.TwitterOAuth;
                 default:
                     break;
             }

SDK/Runtime/Auth/Models/PrivyLinkedAccount.cs

@@ -10,10 +10,10 @@ public enum LinkedAccountType
     {
         Email,
         Phone,
-        Google,
-        Apple,
-        Discord,
-        Twitter,
+        GoogleOAuth,
+        AppleOAuth,
+        DiscordOAuth,
+        TwitterOAuth,
         EmbeddedEthereum,
         EmbeddedSolana,
         ExternalWallet,